1. Used in T568A-ISDN and T568B-ACT wiring project,in terms of normative color code sequenceblueorangegreenbrownso that can simplify cable heading joint. 2. The design ,which is firm, durable and easy to be installed, it can reduce the expense of installation and operation. 3. For the better protection, the connection is totally enclosed in plastic shell. 4. For the correct heading joint, you can do test and maintained in the front. 5. There are color code and mark icon on every interface, easy to be distinguished and administered in network. 1.12 years working experience. 2.OEM design is available. 3.PE package.